doctoral students in chemical engineering (IMAGE) Penn State Caption Yi-Chen Lan, left, and Po-Hao Lai, both doctoral students in chemical engineering, were co-authors on the paper. Credit Poornima Tomy/Penn State Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.